题目内容：
Itcanbeconcludedfromthepassagethattheintroductionofelectronicmediaintotheworldofmusic__________. A．hasbroughtaboutaninformationrevolution
B．hasspeededupthearrivalofanewgenerationofcomputers
C．hasgivenrisetonewformsofmusicculture
D．hasledtothetransformationoftraditionalmusicalinstruments
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答案解析：